Consolidated Condensed Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 27, 2019	Sep. 28, 2018	Sep. 27, 2019	Sep. 28, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 673.9	$ 663.7	$ 1,739.0	$ 1,904.1
Other comprehensive income (loss), net of income taxes:
Foreign currency translation adjustments	(235.8)	(162.4)	(293.1)	(509.4)
Pension and postretirement plan benefit adjustments	5.8	5.9	15.8	19.7
Unrealized gain (loss) on available-for-sale securities adjustments	0.5	0.0	1.4	(0.6)
Cash flow hedge adjustments	(41.8)	0.0	(48.6)	0.0
Total other comprehensive income (loss), net of income taxes	(271.3)	(156.5)	(324.5)	(490.3)
Comprehensive income	402.6	507.2	1,414.5	1,413.8
Less: comprehensive income attributable to noncontrolling interests	(4.7)	0.0	(4.7)	0.0
Comprehensive income attributable to Danaher	$ 397.9	$ 507.2	$ 1,409.8	$ 1,413.8

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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